*{
padding:0;
margin:0;
box-sizing:border-box;
}
body{
font-family:"microsoft YaHei";
font-size:12px;
}
a,ul,li,input,button{
    list-style: none;
    outline:none;
    text-decoration: none;
}
.clear{
clear:both;
height:0;
}
.clearfix:before, .clearfix:after{
    content: '';
    display: block;
	height: 0;
	overflow: hidden;
}
.clearfix:after{
    clear: both;
}
.left{
	float:left;
}
.right{
	float:right;
}
